#18253D#18253D

#18253D is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.6% C 0.049 H 261.9°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#18253D
RGB	rgb(24, 37, 61)
HSL	hsl(219, 44%, 17%)
HSV	hsv(219, 61%, 24%)
CMYK	cmyk(60.7%, 39.3%, 0%, 76.1%)
CIE-LAB	lab(14.70, 2.89, -17.09)
CIE-LCH	lch(14.70, 17.33, 279.60°)
OKLab	oklab(26.56% -0.0068 -0.0482)
OKLCH	oklch(26.56% 0.049 261.9)
XYZ	xyz(1.8803, 1.8541, 4.6728)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18253D #3D3018

analogous

#18383D #18253D #1E183D

triadic

#18253D #3D1825 #253D18

tetradic

#18253D #3D1838 #3D3018 #183D1E

square

#18253D #3D1838 #3D3018 #183D1E

split-complementary

#18253D #3D1E18 #383D18

monochromatic

#090D16 #090D16 #18253D #294069 #3B5A95

Accessibility & contrast

On white

15.32

#18253D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#18253D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18253D

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18253D	#FFFFFF	#000000	##FFFFFF
##18253D	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C273E

Deuteranopia (green-blind)

#17233C

Tritanopia (blue-blind)

#062A2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18253d;
/* rgb */ color: rgb(24, 37, 61);
/* oklch */ color: oklch(26.6% 0.049 261.9);

Tailwind

colors: {
  custom: {
    50: '#585f72',
    500: '#18253d',
    950: '#000000',
  },
}

SCSS

$custom: #18253d;
$custom-light: #585f72;
$custom-dark: #000000;

JSON

{
  "hex": "#18253d",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 61
  },
  "hsl": {
    "h": 218.919,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26555,
    "c": 0.04867,
    "h": 261.9
  },
  "luminance": 0.01854
}

Semantic roles & 50–950 ramp

primary

#18253D

secondary

#73603D

accent

#A755D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #18253D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →